flushmate
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Review moat
Great297.13avg incumbent reviews — the moat a new listing must climb
Conversion
Good6.9%search→purchase rate — share of searches ending in a sale
Avg price
Good$133.84avg listing price — sweet spot $15–$100
Market size
Good$571K$571K/yr · 62K searches
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Price range
Okay$15.40–$216.83cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay4.4%return rate — above 5% kills the launch gate
Growth
Okay+5.4%90-day search growth — must beat 0% to launch
Competition
Bad70%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, flushmate is a $571K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Aug. Verdict: Skip it — 44/100.
Data updated Jul 27, 2026 · scored weekly · How we score niches
flushmate market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $402K–$535K
- units × avg price
- Conversion rate
- 6.9%
- Avg BSR
- #1,855
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 4.0%
- Avg brand age
- 32 months
- Avg seller age
- 163 days
Competition & brand share
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 flat
Sellers
22
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
70%
Top 20: 100%
Open market
0%
- Flushmate69%
- Suconvey21%
- Edifla4%
- Saiyugty4%
- EcoFlush2%
- Open — no brand owns it (0%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +5.4% search growth over the last 90 days.Peak months: Aug · busiest ÷ quietest = 1.6×
Top flushmate search terms
- flushmate 50316K/yr
- flushmate11K/yr
- flushmate 5046K/yr
- sloan flushmate m-101526-f39K/yr
- sloan flushmate5K/yr
- flushmate m-101526-f34K/yr
- flushmate 503 parts4K/yr
- m-101526-f33K/yr
- flushmate 503 replacement tank kit2K/yr
Top flushmate products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 16 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Flushmate M-101526-F31 Complete Replacement System: 1.6 GPF System for Two-Piece Toilets Intended for All OEMS Except Kohler K4404 Gerber 28-385 and -F3B- Serial Numbers
Flushmate$181.224.4★964 rev
503 F31 Pressure Assist Tank Assembly with Cartridge for Toilets model 503 Systems 1.6 gpf Tanks Replacement Tank 138.06 fl. oz.
Suconvey$168.894.1★31 rev
Flushmate M-101526-F32 Complete Replacement System: 1.6 GPF System for Two-Piece Toilets Intended for Kohler K4404 Tank Quiet Operation Ideal for Residential & Commercial Use
Flushmate$163.294.2★45 rev
F42 504 Pressure Assist Tank Assembly with Cartridge for Toilets Replacement Tank 1.1GPF 1.0GPF for Two-Piece Toilet
Suconvey$162.535.0★1 rev
C-100500-K Flush Valve Cartridge Assembly for 500 501 501A 501B 503 504 Series Tank System Compatible with M-101526-F3 M-101526-F4 Pressure Assist Tank
Edifla$37.223.7★79 rev
Newest
by launch dateF42 504 Pressure Assist Tank Assembly with Cartridge for Toilets Replacement Tank 1.1GPF 1.0GPF for Two-Piece Toilet
Suconvey$162.531 rev
Flushmate M-101526-F31K Complete Replacement System: 1.6 GPF System for Two-Piece Toilets Upgrade Kit for PF/2 and EcoFlush B8106 Quiet Operation Ideal for Residential & Commercial Use
Flushmate$208.806 rev
Flushmate M-101526-F41 Complete Replacement System: 1.0 GPF System for Two-Piece Toilets Intended for Vortens/Lamosa 3468 Tank Quiet Operation Ideal for Residential & Commercial Use
Flushmate$171.74329 rev
Flushmate M-101526-F33 Complete Replacement System: 1.6 GPF System for Two-Piece Toilets Intended for Gerber 28-385 Tank Quiet Operation Ideal for Residential & Commercial Use
Flushmate$168.865 rev
503 F31 Pressure Assist Tank Assembly with Cartridge for Toilets model 503 Systems 1.6 gpf Tanks Replacement Tank 138.06 fl. oz.
Suconvey$168.8931 rev
Trending
90-day click momentum
B8106S 1.6 GPF Pressure Assisted Flush System Complete Kit Includes Flush Control & Handle Assembly Official Replacement for B8106 & B8100 Easy Installation USA Tech Support
EcoFlush$171.874.4★
F42 504 Pressure Assist Tank Assembly with Cartridge for Toilets Replacement Tank 1.1GPF 1.0GPF for Two-Piece Toilet
Suconvey$162.535.0★
Flushmate M-101526-F31 Complete Replacement System: 1.6 GPF System for Two-Piece Toilets Intended for All OEMS Except Kohler K4404 Gerber 28-385 and -F3B- Serial Numbers
Flushmate$181.224.4★
Flushmate M-101526-F43 Complete Replacement System: 1.0 GPF System for Two-Piece Toilets Intended for Kohler K4484 Tank Quiet Operation Ideal for Residential & Commercial Use
Flushmate$174.654.5★
Flushmate M-101526-F41 Complete Replacement System: 1.0 GPF System for Two-Piece Toilets Intended for Vortens/Lamosa 3468 Tank Quiet Operation Ideal for Residential & Commercial Use
Flushmate$171.744.5★
What buyers say about flushmate
What buyers praise and complain about, mined from review topics.What buyers love
“Works well once installed”
“Right off the bat fit perfect”
“This easy repair will save you a bundle”
“Stopped the leak”
“was a lot cheaper than calling a plumber”
“This product is well made”
“Clear instructions”
“Works great”
“Easy replacement”
“Worked perfectly and as described”
What buyers complain about
“failed after a few months”
“It did not solve my problem”
“Product is garbage”
“Did not fit”
“The second time around the unit could not be installed because the model number was one letter off from the one I had ordered”
“just louder noises”
“while they seemed to fit they not only leaked”
“Hard to follow with the instructions”
“Now it sticks”
“Costs a bit more”
Top return reasons
Common questions
- Is flushmate profitable to sell on Amazon United States?
- The niche generates $571K/yr across 16 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is +5.4%. Flapen's verdict: Skip it (44/100).
- How competitive is the flushmate niche?
- 5 brands and 22 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in flushmate?
- Top complaints mined from reviews: Durability, Functionality-Overall, Quality-Overall. The return rate is 4.4%.
- When does demand for flushmate peak?
- Demand peaks in Aug; the busiest month runs 1.6× the quietest.
- What does it cost to enter the flushmate niche?
- Listings span $15.40–$216.83; the average listing price is $133.84 (sweet spot $15–$100). The average incumbent carries 297 reviews — the moat a new listing must climb.